Recent Accounting Pronouncements (Details) (Maximum [Member])	1 Months Ended
Sep. 30, 2011
Maximum [Member]
Recent Accounting Pronouncements (Textual) [Abstract]
Assessment percentage to skip goodwill impairment test	50.00%

Assessment percentage to skip goodwill impairment test.

No definition available.

Name:	kvhi_AssessmentPercentageToSkipGoodwillImpairmentTest
Namespace Prefix:	kvhi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration